IDY10220 SECURITE High Seas Forecast for Western METAREA 10 12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E Issued by the Australian Government Bureau of Meteorology For 24 hours commencing 2300 UTC 28 June 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 2. Melbourne Gale Warning 10. Melbourne Gale Warning 12. Part 2 Situation at 281800 UTC Low [1] 991hPa near 44S125E. Forecast low [1] 984hPa near 49S129E at 290900UTC and moving east of area thereafter. Cold front 33S096E 35S103E 40S109E 43S108E to low [2] 997hPa near 43S106E. Forecast 27S114E 36S124E 38S124E to low [2] 996hPa near 38S122E at 300000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. South of line 44S080E 27S108E 27S114E 33S125E 39S129E, outside warning areas: Southwesterly quarter winds, shifting northwesterly quarter within 120nm east of front, turning clockwise within 480nm of low [1] and within 360nm of low [2]. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Within 120nm of line 26S098E 31S080E: Southeasterly quarter winds. Wind speeds 15/25 knots, reaching up to 30 knots at times. Rough to very rough seas. Moderate swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of front and troughs, and within 300nm of low [2] and 480nm of low [1]. Heavy at times within 60nm of trough [1]. Visibility reducing below 2nm in precipitation. Please be aware Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height. WEATHER MELBOURNE The next routine forecast will be issued at 09:00 UTC Monday.